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Proof of `Backward growth rates of the Oseledets spaces` (1st statement)

groundedproofs/Lax606786Proofs/ConsequenceStatements.lean · lax-606786

What this proof establishes

Assuming the claims on the left, the claim on the right holds — checked by the archive's pipeline. Proof code is not displayed here.

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Description

The growth on a fast space is measurable, and windows ending at a fixed point are related through ‖𝓛‖‖𝓛‖, so the forward rate transfers backwards by the density argument.